Yes, polio.
FDR was diagnosed with polio, also known as poliomyelitis.
Yes, he did suffer from Altzeimer's disease
Alzheimer's Disease
Yes
porphyria
hemophillia
diabetes
FDR he had polio
Approximately 48 million Americans suffer from heart disease each year.
I do not know of any disease, but it might be related to the drugs he took.
Lou Gehrig's disease
Alzheimer's Disease